Function WeekdaysParser

src/natural-dates.test.ts:33–50

()

  }
  
  function* WeekdaysParser() {
    let repeats = false;
    
    const weekdays = new Set<Weekday>();
    
    let result: { weekday: Weekday, repeats: boolean };
    result = yield WeekdayParser;
    
    weekdays.add(result.weekday);
    repeats = repeats || result.repeats;
    
    while (result = yield optional(AnotherWeekdayParser)) {
      weekdays.add(result.weekday);
      repeats = repeats || result.repeats;
    }
    
    return { weekdays, repeats };
  }
  
  function* MinutesSuffixParser() {
    yield ':';